907
FNCA52 TJSJ 151930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST WED APR 15 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-160800-
SOUTHEAST COASTAL PLAINS-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 30 50 60 60
TEMP (24H TREND) 70 (0) 87 (+3) 70 87
RH % (24H TREND) 93 (+2) 62 (-4) 93 63
WIND 20FT/EARLY(MPH) E 9 E 13 E 11 E 13
WIND 20FT/LATE(MPH) NE 9 E 13 NE 9 E 16
MIXING HGT(FT-AGL/MSL) 4710 1620
TRANSPORT WND (MPH) E 15 E 8
VENT RATE (KT-FT) 61230 11340
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-160800-
SOUTHERN HILLS-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 40 70
TEMP (24H TREND) 66 (-2) 83 (+3) 67 83
RH % (24H TREND) 97 (+4) 67 (-5) 98 69
WIND 20FT/EARLY(MPH) E 8 E 11 E 10 E 9
WIND 20FT/LATE(MPH) E 8 E 11 E 10 E 12
MIXING HGT(FT-AGL/MSL) 5360 2520
TRANSPORT WND (MPH) E 14 E 9
VENT RATE (KT-FT) 64320 20160
DISPERSION 5 5
DSI 2 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-160800-
NORTH COASTAL PLAINS-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 80 70 60
TEMP (24H TREND) 69 (0) 86 (+1) 69 86
RH % (24H TREND) 100 (+4) 64 (-2) 100 66
WIND 20FT/EARLY(MPH) SE 8 E 12 E 12 E 11
WIND 20FT/LATE(MPH) SE 9 E 14 E 12 E 11
MIXING HGT(FT-AGL/MSL) 4860 2600
TRANSPORT WND (MPH) SE 12 SE 12
VENT RATE (KT-FT) 48600 26000
DISPERSION 5 5
DSI 2 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-160800-
NORTHERN HILLS-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 80 30 70
TEMP (24H TREND) 66 (-1) 85 (+2) 67 85
RH % (24H TREND) 98 (0) 67 (-1) 99 67
WIND 20FT/EARLY(MPH) E 5 E 10 E 10 E 10
WIND 20FT/LATE(MPH) LGT/VAR E 12 E 10 E 9
MIXING HGT(FT-AGL/MSL) 5510 2990
TRANSPORT WND (MPH) SE 9 SE 10
VENT RATE (KT-FT) 44080 26910
DISPERSION 5 5
DSI 2 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-160800-
WEST COAST-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 20 70
TEMP (24H TREND) 68 (-1) 88 (+2) 70 87
RH % (24H TREND) 97 (+2) 63 (-3) 96 65
WIND 20FT/EARLY(MPH) E 8 E 12 E 10 E 9
WIND 20FT/LATE(MPH) E 9 E 14 E 10 E 11
MIXING HGT(FT-AGL/MSL) 4730 3110
TRANSPORT WND (MPH) SE 10 SE 10
VENT RATE (KT-FT) 42570 27990
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-160800-
EASTERN INTERIOR-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 70 70 70
TEMP (24H TREND) 67 (-1) 84 (+2) 68 83
RH % (24H TREND) 99 (+3) 66 (-3) 99 69
WIND 20FT/EARLY(MPH) SE 10 SE 12 E 13 E 10
WIND 20FT/LATE(MPH) SE 11 E 12 E 12 E 11
MIXING HGT(FT-AGL/MSL) 5560 2210
TRANSPORT WND (MPH) SE 14 SE 9
VENT RATE (KT-FT) 66720 17680
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-160800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 80 70 70
TEMP (24H TREND) 65 (-1) 80 (+3) 66 79
RH % (24H TREND) 100 (+1) 72 (-4) 100 74
WIND 20FT/EARLY(MPH) SE 6 SE 11 E 11 E 9
WIND 20FT/LATE(MPH) SE 8 E 11 E 10 E 10
MIXING HGT(FT-AGL/MSL) 3770 2410
TRANSPORT WND (MPH) SE 15 SE 10
VENT RATE (KT-FT) 49010 21690
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-160800-
CENTRAL MOUNTAIN RANGE-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 80 20 80
TEMP (24H TREND) 64 (-1) 82 (+4) 64 82
RH % (24H TREND) 99 (+3) 69 (-4) 98 70
WIND 20FT/EARLY(MPH) SE 5 SE 8 E 5 E 8
WIND 20FT/LATE(MPH) LGT/VAR E 9 E 8 E 8
MIXING HGT(FT-AGL/MSL) 6020 3290
TRANSPORT WND (MPH) SE 10 SE 8
VENT RATE (KT-FT) 54180 23030
DISPERSION 5 5
DSI 1 6 2 5
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-160800-
CAYEY MOUNTAIN RANGE-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 70 70
TEMP (24H TREND) 66 (-1) 79 (+2) 67 79
RH % (24H TREND) 100 (+3) 73 (-1) 100 75
WIND 20FT/EARLY(MPH) SE 5 E 10 E 9 E 8
WIND 20FT/LATE(MPH) E 6 E 10 E 8 E 10
MIXING HGT(FT-AGL/MSL) 4810 1610
TRANSPORT WND (MPH) E 15 E 8
VENT RATE (KT-FT) 62530 11270
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-160800-
VIEQUES-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 80 60 70
TEMP (24H TREND) 72 (0) 85 (0) 72 85
RH % (24H TREND) 90 (-1) 60 (-2) 90 62
WIND 20FT/EARLY(MPH) SE 11 E 14 E 17 E 13
WIND 20FT/LATE(MPH) E 13 E 14 E 16 E 12
MIXING HGT(FT-AGL/MSL) 2930 2120
TRANSPORT WND (MPH) E 16 E 20
VENT RATE (KT-FT) 41020 36040
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-160800-
CULEBRA-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 60 70
TEMP (24H TREND) 74 (-1) 87 (+1) 74 87
RH % (24H TREND) 90 (+3) 60 (-3) 91 61
WIND 20FT/EARLY(MPH) E 12 E 14 E 17 E 12
WIND 20FT/LATE(MPH) E 14 E 14 E 17 E 13
MIXING HGT(FT-AGL/MSL) 2970 2690
TRANSPORT WND (MPH) E 17 E 14
VENT RATE (KT-FT) 44550 32280
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-160800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 20 50
TEMP (24H TREND) 70 (0) 88 (+2) 70 88
RH % (24H TREND) 95 (+5) 59 (-3) 92 60
WIND 20FT/EARLY(MPH) E 10 E 17 E 14 E 12
WIND 20FT/LATE(MPH) E 12 E 19 E 13 E 17
MIXING HGT(FT-AGL/MSL) 4860 2860
TRANSPORT WND (MPH) E 17 E 17
VENT RATE (KT-FT) 72900 42900
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-160800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 60 60
TEMP (24H TREND) 73 (-2) 85 (+1) 73 85
RH % (24H TREND) 91 (+4) 61 (-4) 92 60
WIND 20FT/EARLY(MPH) E 14 E 16 E 17 E 13
WIND 20FT/LATE(MPH) E 16 E 16 E 17 E 14
MIXING HGT(FT-AGL/MSL) 3170 2970
TRANSPORT WND (MPH) E 20 E 14
VENT RATE (KT-FT) 53890 35640
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-160800-
ST CROIX-
330 PM AST WED APR 15 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 60 60
TEMP (24H TREND) 72 (-2) 86 (+1) 72 86
RH % (24H TREND) 93 (+4) 63 (-2) 93 62
WIND 20FT/EARLY(MPH) E 13 E 16 E 16 E 13
WIND 20FT/LATE(MPH) E 14 E 14 E 16 E 13
MIXING HGT(FT-AGL/MSL) 3840 2770
TRANSPORT WND (MPH) E 21 E 16
VENT RATE (KT-FT) 69120 38780
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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